17 results about "Difficult airway" patented technology

The invention relates to the field of medical equipment, in particular to a visual double-cavity laryngoscope and thyrocricocentesis integrated device for difficult airways, which comprises a double-cavity laryngoscope main body and a thyrocricocentesis device, the outer surface of the double-cavity laryngoscope main body is fixedly connected with a connecting plate, the other surface of the connecting plate is fixedly connected with a hemispherical shell, and the hemispherical shell is fixedly connected with the double-cavity laryngoscope main body. The integrated structural design is adopted, the core functions of a visual double-cavity laryngoscope and a cricothyroid membrane puncture instrument are organically integrated, the current situation that the two traditional instruments are independently used and need to be frequently switched is thoroughly changed, an operator can sequentially complete glottis exposure and tracheal intubation operation on the same device, and if intubation fails or a patient suffers from emergency oxygen deficit, the visual double-cavity laryngoscope and the cricothyroid membrane puncture instrument can be directly used. The cricothyroid membrane puncture device which is assembled in place can be directly used for implementing puncture without additionally replacing instruments, so that the operation continuity is greatly improved, the key time for establishing an airway is effectively shortened, and the oxygen deficit risk of a patient caused by instrument switching is fundamentally reduced.

The utility model relates to a visual laryngoscope for a difficult airway, which can effectively reduce operation difficulty and improve use convenience and comprises a laryngoscope handle, a display screen arranged above the laryngoscope handle and a first laryngoscope tube arranged below the laryngoscope handle, and the outer end of the first laryngoscope tube is connected with a second laryngoscope tube through a bendable adjusting portion. Annular clamping grooves are formed in the first mirror tube and the second mirror tube; a lens and an illuminating lamp are arranged at the front end of the second laryngoscope tube, and an adjusting handle for controlling the adjusting part to bend is arranged on the laryngoscope handle. The utility model further provides a trachea cannula protection sleeve device, iatrogenic airway infection can be effectively reduced, the trachea cannula protection sleeve device comprises an endoscope tube protection sleeve and a cannula protection sleeve which are arranged side by side, the outer walls of the endoscope tube protection sleeve and the cannula protection sleeve are fixedly connected together, the inner diameter of the endoscope tube protection sleeve is matched with the outer diameter of the endoscope tube, and two soft tightening parts corresponding to the clamping grooves are arranged on the endoscope tube protection sleeve. A rubber band is arranged at the tightening part; and a perspective lens is sealed at the front end of the lens tube protective sleeve.

The invention discloses a difficult airway patient intubation device for anesthesia, and relates to the technical field of medical equipment.The difficult airway patient intubation device for anesthesia comprises a base, connecting frames are arranged on the two sides of the upper end of the base, and clamping assemblies with adjustable positions are arranged on the outer walls of the two connecting frames and used for fixing the head of a patient; the fixing assembly is arranged on the clamping assembly and is used for fixing a cannula of a patient user and preventing the cannula from being squeezed by teeth of the patient, so that airway obstruction is caused; the base is provided with a supporting bag capable of jacking up the rear neck of a patient. According to the intubation device for the patient with the difficult airway for anesthesia, the head of the patient is clamped through the arranged clamping device, air is pumped into the supporting bag through the air bag, the rear neck of the patient can be supported, and therefore the head can lean backwards, and the problem that intubation is inconvenient for medical staff is solved.

The invention discloses a visual retrograde tracheal intubation device, belongs to the technical field of medical apparatuses and instruments, and is suitable for airway establishment of difficult airways. The device comprises a cricothyroid membrane puncture assembly, a visual acquisition assembly, a guide wire assembly and an image output assembly. The cricothyroid membrane puncture assembly comprises a hollow puncture needle, the visual collection assembly is arranged in the hollow puncture needle and located at a preset position behind a needle tip, and a preset included angle is formed between the imaging direction of the visual collection assembly and the axis direction of the puncture needle; an imaging window corresponding to the visual acquisition assembly is arranged on the needle wall of the hollow puncture needle and used for obtaining image information in the airway. The guide wire assembly enters an airway through the puncture assembly and moves reversely along the airway, the visual acquisition assembly is used for capturing at least one part of images of a guide wire in the airway, and the image output assembly is used for outputting image information to an operator so as to assist in judging the trend and position of the guide wire. Real-time visual guidance is provided in the retrograde intubation process, the dependence on experience of an operator is reduced, the risk that the guide wire enters the non-target direction by mistake is reduced, the operation time is shortened, and the safety and success rate of difficult airway retrograde tracheal intubation are improved.

The invention discloses a children tracheal intubation navigation device for difficult airways, the intubation navigation device comprises a catheter, the tip section of the catheter is sequentially provided with an SMA driving assembly and a piezoelectric ceramic driving assembly along a first direction, the SMA driving assembly can drive the tip section of the catheter to macroscopically rotate at a large angle, and the piezoelectric ceramic driving assembly can drive the tip section of the catheter to rotate at a large angle. The piezoelectric ceramic driving assembly can drive the sharp section of the guide pipe to rotate in a precise fine adjustment mode, and when the SMA driving assembly drives the sharp section of the guide pipe to rotate, the piezoelectric ceramic driving assembly is started to restrain vibration. The SMA driving assembly provides large-stroke and high-torque coarse adjustment and is suitable for passing through glottis, carina and other scenes needing large-angle steering, the piezoelectric ceramic driving assembly provides high-precision and high-response-speed fine adjustment, and avoiding of tiny blood vessels and tissues is achieved; the SMA driving assembly is prone to generating mechanical oscillation during starting and stopping, the sharp section of the catheter can shake to scratch fragile airway tissue, at the moment, the piezoelectric ceramic driving assembly actively restrains vibration, and the stability and safety of operation are greatly improved.

The present application relates to a kind of multi-dimension lock regulating airway management training model, comprising: neck range of motion adjustment unit, neck range of motion adjustment unit is used to simulate the normal activity state and activity limited state of neck;Tongue body swelling simulation unit, tongue body swelling simulation unit is used to simulate the natural state and different degrees of swelling state of tongue body;Glottic area stenosis simulation unit, glottic area stenosis simulation unit is used to simulate the natural open state and different degrees of stenosis state of glottic area;Multi-dimension lock regulating airway management training model is configured to: by independently adjusting neck range of motion adjustment unit, tongue body swelling simulation unit and glottic area stenosis simulation unit, the laryngeal view of model is presented as a plurality of preset states corresponding to different levels of difficult airway.The present application can simulate different levels of difficult airway scene, accurately restore the difficult airway caused by single factor or multi-factor superposition in clinic.

The invention discloses a high-risk anesthesia warning system and method based on a distributed network, and belongs to the field of medical information security. The system comprises a central database server which stores a high-risk patient list including a malignant hyperpyrexia history, a difficult airway history, a serious adverse drug reaction history and an abuse drug history based on a non-relational database; the security authentication gateway is used for realizing security access based on an OAuth 2.0 and a TLS protocol; the data access interface is used for providing RESTful API (Application Program Interface) to receive the patient identifier subjected to hash processing; the data processing and comparing module is used for executing low-latency query; and the warning information generating and pushing module is used for pushing the warning information in the JSON format to the target terminal through the message queue. Through a series of technical means, information islands among medical institutions are effectively broken, safe, real-time and efficient data interaction and warning are achieved, serious anesthesia complications can be remarkably avoided from the technical level, and medical safety in the perioperative period is improved.

The invention relates to the technical field of physiological data processing, in particular to a difficult airway prediction system and method based on artificial intelligence. According to the system, the frequency of indirect features of a target patient in each laryngoscope exposure level is counted, and preoperative airway risk indexes of the target patient can be obtained by further combining the category similarity between the indirect features and reference features. According to the method, state information in an operation is obtained in real time, state risk indexes in the operation are obtained through space state changes of the pharynx, the root of the tongue and the front wall of the trachea, the more visual EtCO2 waveform disorder degree serves as a reference, the real-time airway influence coefficient capable of representing multi-dimensional risk factors is finally obtained, the real-time airway influence coefficient is used for prediction of a classification neural network, and a better prediction result is obtained. According to the method, feature analysis is carried out on the patient group before the operation, the physiological state of the patient is analyzed during the operation, effective risk indexes are comprehensively obtained and used for difficult airway prediction, the prediction accuracy is improved, and doctors can conveniently intervene in the subsequent operation process in advance.

The modularized bronchoscope sheath comprises a rear-end fixing body and a front-end detachable insertion part, a standardized rapid connection structure is arranged at the front end of the rear-end fixing body, the front-end detachable insertion part is rapidly connected and matched with the standardized rapid connection structure, and an upward-picking bent section of 15-30 degrees is arranged at the front end of the front-end detachable insertion part. Various lengths and outer diameter specifications can be set, through the modular split design, a hospital only needs to configure 2-3 sets of fixing bodies to cover the whole-scene clinical requirements, glottis picking and intubation can be completed through single-person operation due to the design of the front end upward-picking bent section, the success rate of initial intubation of a difficult airway is increased, and the laryngeal mucosa injury rate is reduced; and the method is suitable for full-scene application of conventional respiratory intervention operation and emergency treatment difficult airway management.

The application discloses a difficult airway laryngoscope soft tissue active traction system and laryngoscope based on micro-fluid negative pressure adsorption, which comprises a micro-fluid negative pressure adsorption network arranged on a lens working surface, which generates distributed adsorption force to stabilize the traction of the tongue root and the pharyngeal lateral wall; a driving unit arranged in a handle, which automatically lifts and pulls the lens by using negative pressure to drive a piston; a clamping table sleeved on the outer side of the handle and slidable in the axial direction, which abuts against the lower jaw of a patient to provide a counterforce fulcrum; and a lifting degree adjusting mechanism connected between the piston rod and the root of the lens, which realizes the accurate fine adjustment of the lifting height of the lens in a hand-off state through a vertical sliding groove, a sliding block and a knob. The application is of the adsorption-traction mode, cooperates with the lower jaw support and the fine adjustment mechanism, releases the hands of an operator, continuously adjusts the glottis exposure degree according to real-time video feedback, improves the glottis exposure angle and the first intubation success rate, and is suitable for difficult airway scenes such as tongue hypertrophy and cervical spine rigidity.

The invention relates to the field of medical education training equipment, in particular to intelligent adjustable difficult airway management training equipment. Comprising an oral cavity simulation piece, an air pipe fixing structural piece arranged in the oral cavity simulation piece, a micro linear motor arranged on the air pipe fixing structural piece, a left movable plate and a right movable plate, and the left movable plate and the right movable plate are arranged on the air pipe fixing structural piece. The left movable plate is connected with the micro linear motor through a left movable plate fixing shaft, the right movable plate is connected with the micro linear motor through a right movable plate fixing shaft, and when the micro linear motor starts to work, the wedge-shaped sliding block is upwards jacked up by the micro linear motor; and the glottis structure in the oral cavity simulation piece is closed or loosened, so that the technical problems of single pathological simulation function and lack of real-time operation feedback of the existing traditional airway management simulation human equipment are solved, and the teaching purpose can be well met.

The first aspect of the invention is to provide a method for identifying difficult intubation based on formant frequency change. The second aspect of the invention is to disclose a difficult intubation identification system based on formant frequency change. The third aspect of the invention is to provide an electronic device. The fourth aspect of the invention is to provide a computer readable storage medium, an executable instruction is stored on the computer readable storage medium, and when the instruction is executed by the processor, the processor executes the method. According to the technical scheme disclosed by the invention, when the artificial airway is established, the difference existing in normal ventilation can be prompted according to the sound difference, so that the principle of existence of some difficult ventilation can be predicted, and an artificial intelligence algorithm is combined by analyzing the acoustic characteristics of the specific voice-Chinese phonetic alphabet produced by a patient, so that the artificial airway is established. And the technical scheme of rapid non-invasive identification of the difficult airway is realized.

The invention relates to the technical field of artificial intelligence and medical image processing, and discloses a pharyngoscope AI image auxiliary identification method and system. The objective of the invention is to solve the problems that traditional pharyngoscope examination depends on subjective experience, lesion recognition sensitivity is low, and diagnosis consistency is poor, airway prediction is not accurate and basic application is difficult due to lack of three-dimensional space modeling and multi-source information fusion. The method comprises the following steps: collecting a high-definition dynamic image in real time and carrying out denoising and motion correction; pixel-level segmentation and classification are carried out on 12 types of anatomical structures and 8 types of lesions through a deep learning model; and the positioning stability is improved by combining time sequence optical flow analysis. According to the scheme, high-sensitivity recognition, three-dimensional precise modeling and personalized decision support of tiny focuses are achieved, the intubation safety and the operation standardization level are remarkably improved, the difficult airway recognition accuracy rate reaches 92%, and a continuously-optimized closed-loop auxiliary system is formed.

The catheter comprises a catheter body, the far end of the catheter body is provided with a front slope opening, part of the catheter wall of the edge of a far-end catheter opening at the opening extends outwards to form a tongue-shaped tip, and the tongue-shaped tip is arranged opposite to the near-end catheter opening at the front slope opening of the catheter body and is integrally formed with the catheter body; a water-drop-shaped Murphy hole is formed in the side wall of the tongue-shaped tip side at the far end of the catheter body. According to the catheter for the tracheal intubation, the tongue-shaped tip and the catheter body are designed to be of the integrally-formed structure, and the improved drop-shaped Murphy hole design is adopted, so that the catheter is more suitable for the scene of intubation through a center line, such as intubation under a video laryngoscope and intubation through a laryngeal mask, airway injuries caused by intubation are reduced, and the tracheal intubation effect is improved. The trachea cannula has higher safety, reliability and operation efficiency in airway protection and difficult airway management, and is suitable for various different types of trachea cannulas of adults and children; and the guide pipe is simple in manufacturing process and convenient for mass production and manufacturing.

The invention discloses a retrograde tracheal intubation device comprising a protective air bag, and belongs to the technical field of medical instruments. The device comprises a tracheal catheter body, a catheter core, a blocking air bag and a second inflation pipeline, a head end opening is formed in the far end of the tracheal catheter body, the catheter core comprises a head protection air bag, a first inflation pipeline and a first inflation valve, and the head protection air bag expands outwards after being inflated to form a conical structure. A protection space is formed to wrap the head end and the edge of the catheter. When the retrograde intubation is propelled along the guide wire, the inflated head protection air bag can buffer contact, tissue damage is avoided, and the curved surface structure of the head protection air bag is beneficial to guiding the catheter to pass through the glottis. Optionally, an annular guide air bag can be arranged in the far end of the catheter, and the catheter core is fixed after the annular guide air bag is inflated. By means of the double protection and guiding effects of the air bag, the tissue damage risk and operation blocking in difficult airway intubation are remarkably reduced, and the intubation success rate and safety are improved.

The utility model relates to the technical field of airway opening devices, in particular to an adjustable self-locking separation type airway opening device for a difficult airway, which comprises an opening retainer, a laryngoscope tube structure and a support block, the laryngoscope tube structure comprises a tube end, a tube body and a self-locking position adjusting structure, and the self-locking position adjusting structure is mounted on the tube end. An arc-shaped tube body is installed at the lower end of the endoscope tube end portion, an air inlet communicated with the tube body is formed in the endoscope tube end portion, a supporting block is hinged to the tail end of the tube body, and a first ventilation channel and a second ventilation channel which are vertically through are formed in the opening retainer. The self-locking laryngoscope tube is reasonable and compact in structure and convenient to use, the opening retainer and the laryngoscope tube structure are combined for use, the supporting block connected with the tail end of the tube body is adjusted to achieve quick opening of an airway of a patient with difficulty in airway opening such as a fat neck with short and thick mouth and limited mouth opening, self-locking can be achieved, the angle of the supporting block is controlled to be unchanged, and the self-locking laryngoscope tube is convenient to use. And the glottis and the airway can be always kept open in the examination process.

The visual tracheal intubation laryngoscope comprises a laryngoscope body, the laryngoscope body comprises a laryngoscope handle and a laryngoscope lens which are connected, the laryngoscope lens is an arc-shaped sheet which is concave inwards, a camera is installed at the end, away from the laryngoscope handle, of the laryngoscope lens, and the camera is electrically connected with a data line. The end, away from the camera, of the data line sequentially penetrates through the laryngoscope lens and the laryngoscope handle and then is electrically connected with a data interface located outside the laryngoscope handle. The laryngoscope handle is provided with a tracheal catheter channel penetrating through the laryngoscope handle in the length direction of the laryngoscope handle, and when the laryngoscope is used, the difficulty of tracheal intubation can be reduced, the accuracy of tracheal intubation indwelling is improved, and the success rate of intubation in a difficult airway can be improved.